ICAA Insulator Practice Questions - ICAA National Insulator Certification Exam

What is the primary functional difference between open-cell and closed-cell spray foam?

Open-cell is denser and acts as a vapor barrier Closed-cell has higher R-value per inch and resists moisture/vapor intrusion Open-cell has higher R-value per inch Closed-cell is always cheaper per board foot

Correct Answer:

Closed-cell has higher R-value per inch and resists moisture/vapor intrusion

Access more questions from this quiz

Continue to ICAA Insulator Practice Questions - ICAA National Insulator Certification Exam for more practice questions and the full quiz experience.

Access More Questions